Optical information recording medium and recording method...

Details Optical information recording medium and recording method... Optical information recording medium and recording method...

2007-12-04

2007-12-04

Young, Wayne (Department: 2627)

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal processing for controlling recording light...

C369S275200

Reexamination Certificate

active

10433818

ABSTRACT:
An optical information recording medium10includes a first substrate11, a second substrate12disposed in parallel with the first substrate11, and an information layer20disposed between the first substrate11and the second substrate12, and the information layer20includes a recording layer23and inorganic layers (lower side interface layer22and upper side interface layer24) adjacent to the recording layer23. The recording layer23is changed between at least two different states, which are discernable optically, by irradiation with a laser beam14incident from the first substrate11side. The inorganic layer contains a nitride of SixGe1-x(where 0.3≦x≦0.9) as a main component. The present invention provides an optical information recording medium capable of recording/reproducing information with satisfactory reliability even in recording/reproducing with a light beam having a short wavelength or in recording/reproducing with respect to a plurality of information layers.

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JP 2002-298433 Translation Nov. 10, 2002 Japan Yuzusu Keiichoro.

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